Ryan Tannehill took some snaps with first team on Thursday, but Dolphins remain mum on his status

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Miami Dolphins QB Ryan Tannehill took snaps with the first-team offense for the second straight day on Thursday, but he still might not play when the Dolphins face Indianapolis on Sunday.

Dolphins coach Joe Philbin was evasive when asked about Tannehill after practice. "There’s nothing else new to report on that," he told the Miami Heraldafter mentioning that Tannehill was limited in practice and that all three quarterbacks on the roster practiced.

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"We're going to see how practice unfolds and make the best decision for the team when we have enough appropriate information," he continued. "Beyond that, that's the quarterback discussion for the day."

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Tannehill wore a brace on his left knee during practice, covered by a thigh-to-ankle sleeve. He sustained a bone bruise on his left knee and a bruised quadriceps muscle when he was sacked by Calvin Pace of the New York Jets last week.

Matt Moore finished the game at quarterback, as the Dolphins won 30-9. He would get the start on Sunday should Tannehill not be game-ready.

Through the first seven games of the season, Tannehill has completed 59% of his passes for 1,472 yards, 4 touchdowns and 6 interceptions. Moore completed 11 of 19 passes for 131 yards and a touchdown against the Jets on Sunday, his only action of the 2012 season thus far.

Meanwhile, CB Richard Marshall still has yet to practice due to a back injury. He has not played or practice since a Week 5 game against Cincinnati. His return does not seem imminent, but Marshall told the Herald he does not think the injury is a long-term problem.

"We've actually been moving forward," he said. "I don't have the strength to do what I need to do on the field. I'm not going to go out there and jeopardize the team, because I’m not 100 percent."

Nolan Carroll has been starting in Marshall's place. That will likely continue against Indianapolis on Sunday.